26166066958 has 16 divisors (see below), whose sum is σ = 39346011936. Its totient is φ = 13050767520.

The previous prime is 26166066947. The next prime is 26166066973. The reversal of 26166066958 is 85966066162.

It is a junction number, because it is equal to n+sod(n) for n = 26166066899 and 26166066908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1522260 + ... + 1539352.

It is an arithmetic number, because the mean of its divisors is an integer number (2459125746).

Almost surely, 2^26166066958 is an apocalyptic number.

26166066958 is a deficient number, since it is larger than the sum of its proper divisors (13179944978).

26166066958 is a wasteful number, since it uses less digits than its factorization.

26166066958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18939.

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 26166066958 in words is "twenty-six billion, one hundred sixty-six million, sixty-six thousand, nine hundred fifty-eight".